Abreu's RBI double and back-to-back homers from Matt Davidson and Yolmer Sanchez cut the Blue Jays' lead to 6-5 in the eighth.
Garcia, another rookie, has been a pleasant surprise for the South Siders, hitting.258/.317/.441 over 40 games.
Josh Donaldson hit the first solo shot to right-center field in the first.
Josh Donaldson, Russell Martin and Justin Smoak homered for Toronto, which lost for the third time in four games. Both players stayed down on the ground for a while before Garcia was helped to his feet and Moncada was taken off the field on a cart.
With two outs and the bases loaded, Barney hit a fly ball into shallow right field.
Abreu wound up settling on Moncada, whom he hoisted up onto a cart along with trainer Herm Schneider, as the No. 1 prospect in all of baseball could not put any weight on his right knee after it collided with the side Garcia's head at full speed. "I didn't remember what happened until the doctors started asking me questions here, and then I saw the video". The Cuban slugger patted his countryman on the back of his head before he was zipped away.
Garcia will be reevaluated Tuesday for a head injury, while X-rays on Moncada's knee came up negative, leaving him day-to-day with a bruised knee. As we get the evaluations, we'll know exactly where we might sit.
Both players were removed from the game immediately after assistance from both the White Sox and Blue Jays medical staffs.
Attackers target Shiite mosque in Afghanistan's Herat
Herat's governor Mohammad Asif Rahimi condemned the attack and said that the people of Herat would stand united against the enemy. The incident comes just a week after a massive blast rocked the Afghan capital, Kabul .
St hits new record on earnings surge, liquidity
The broader NSE index closed up 0.63 percent at 10,077.10, a record closing high, and notched up a monthly gain of 5.84 percent. On BSE , 1,056 stocks were advancing whereas 1,618 stocks were lagging when the session ended.